Finding the Fourth Proportional to 22,113, 33,171.12 and 7,321.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,113 : 33,171.12 = 7,321.59 : x
2. Step 2: Convert to fraction form
   22,113/33,171.12 = 7,321.59/x
3. Step 3: Cross multiply
   22,113x = 33,171.12 × 7,321.59
4. Step 4: Simplify right side
   22,113x = 242,865,340.48
5. Step 5: Solve for x
   x = 242,865,340.48/22,113
6. Step 6: Final answer
   x = 10,982.92